Instruction Manual
D103292X012
C1 Controllers and Transmitters
March 2017
48
Key Description
Note
A total of 5 O-rings (key 77) are used. 1 O-ring is used under the sealing
screw (key 49), 1 O-ring is used under the reversing block screw (key 50),
1 O-ring is used between the reversing block ass'y (key 52) and the
calibration adjuster (key 36), and 1 O-ring is used in the recessed area
under the head of each of the bellows screws (key 53).
77* O-Ring,
Std Temp, nitrile (5 req'd)
High Temp, fluorocarbon (5 req'd)
Note
Keys 78 through 82 are used for Proportional-Plus-Reset controllers only.
78 Tubing Assembly, SST
79 Tubing Assembly, SST
80 Anti-Reset Windup Cover (not shown)
81* O-Ring (not shown) (2 req'd)
82 Machine screw (not shown) (2 req'd)
Key Description
98 Machine Screw, steel pl (4 req'd)
Gauge and differential pressure bellow instruments
99 Washer, steel pl
for Bourdon tube instruments (2 req'd)
for bellows sensing instruments (4 req'd)
100 Bellows Yoke, zinc
use with gauge and differential pressure bellows
Note
Keys 101 through 105 are used for gauge pressure bellows instruments
only.
101 Jam Nut, steel pl
102 Washer, steel pl
103 Spring seat, pl brass
104 Spring, steel pl
105 Label, bellows sensing instruments only
190 Anti-Reset Windup Ass'y
For Proportional-Plus-Reset Controllers only
245 Spring Spacer, A6061
256 Reset Restriction Valve
For proportional-plus-reset controllers
w/o anti-reset windup
For proportional-plus-reset controllers
w/ anti-reset windup
*Recommended spare parts
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